CN207803865U - A kind of safety and stability swivel chair - Google Patents

Abstract

The utility model discloses a kind of safety and stability swivel chairs, belong to field of furniture, its technical solution is as follows, including bearing, pedestal, the pedestal is rotatablely connected with bearing, and the connected bearing that has dislocation in middle part, the high outer ring of the dislocation bearing inner race are low between the pedestal and bearing, outside is fixed with thrust bearing between the pedestal and bearing, has the advantages that swivel chair spin stabilization will not wave.

Description

A kind of safety and stability swivel chair

Technical field

The utility model is related to field of furniture, more particularly to a kind of safety and stability swivel chair.

Background technology

Swivel chair is a kind of rotatable chair, typically by rotatable atmospheric pressure pole or bearing connect base and seat Chair, but this connection type keeps pedestal and seat contact area small, then people sits will appear shaking on the seat, influence comfortable Degree.

The Chinese patent of Publication No. CN103142047A discloses a kind of adaptive turn be made of four-bar linkage Chair, it is changed to hinged double leval jib using by sitting frame, so that swivel chair is had adaptivity using the flexibility of connecting rod, can be according to human body matter The heart and sitting posture change respective change, and reaching has compared with high degree of comfort purpose, although this mode can improve comfort level, Center of gravity can also change when human body changes sitting posture, and swivel chair mounting can shake at this time, if crank will be such that swivel chair occurs Topple over the case where even rotation tripod fractures, it is extremely dangerous.

Utility model content

The purpose of this utility model is to provide a kind of safety and stability swivel chair, will not be waved with swivel chair spin stabilization excellent Point.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of safety and stability turn Chair, including bearing, pedestal, the pedestal are rotatablely connected with bearing, the connected bearing that has dislocation in middle part between the pedestal and bearing, The high outer ring of the dislocation bearing inner race is low, and outside is fixed with thrust bearing between the pedestal and bearing.

By using above-mentioned technical proposal, bearing is placed on the ground, and setting dislocation bearing is real between pedestal and bearing Existing pedestal relative seat is rotatable, and avoids pedestal and seat wear dislocation bearing using dislocation bearing, while also improving rotation Turn smoothness；Outside setting thrust bearing not only improves rotation smoothness between pedestal and bearing, may also function as support base Effect, avoid pedestal generate shake make swivel chair crank, improve the stability of swivel chair.

Further, the bearing includes supporting leg, link, and the supporting leg is bending steel pole, several supporting leg bottoms Bending one end radially distributes, and the link is connected in supporting leg top connection leg.

By using above-mentioned technical proposal, supporting leg, which is bent, and is radially distributed makes bearing take up an area range expansion, makes to turn The probability that chair more steady decrease is toppled over.

Further, the supporting leg bending place is fixed with cricoid ring stand.

By using above-mentioned technical proposal, setting ring stand can not only improve the intensity of bearing, can also be sitting in swivel chair in people It was ridden on ring stand when upper, the discomfort for avoiding foot from vacantly bringing.

Further, the pedestal includes mounting, disc, and the mounting is ring-type, and the disc is connected in the middle part of mounting, The dislocation bearing inner race is connected on disc, and the dislocation bearing outer ring is connected on ring stand.

By using above-mentioned technical proposal, mounting is set as ring-type, wedge angle is avoided to scratch the person, while disc is arranged to carry The high contact area with dislocation bearing improves bonding strength, and then improves swivel chair quality.

Further, steel crotch is fixed in the middle part of the mounting, the disc is connected in the middle part of crotch.

By using above-mentioned technical proposal, setting crotch improves pedestal intensity, reduces the deformation rate of mounting, and improving swivel chair makes Use the service life.

Further, chair frame is fixed on mounting external arc end face, the chair frame end face is arcuation and length direction In obtuse angle with the angle of mounting upper surface.

By using above-mentioned technical proposal, the chair frame that arcuation is arranged meets ergonomics, when making one to be sitting on swivel chair more Add comfortable.

Further, the chair frame is fixed with cushion on the end face of mounting, and the mounting upper surface is fixed with cushion.

By using above-mentioned technical proposal, cushion and cushion, which is arranged, makes one to be sitting in soft feel on swivel chair, further increases Human comfort.

Further, the thrust bearing is connected by bolt with bearing and pedestal.

By using above-mentioned technical proposal, bonding strength is not only improved using being bolted, also easy disassembly, and then be convenient for It safeguards.

In conclusion the utility model has the advantages that：

1, it avoids pedestal from shaking by the way that thrust bearing is arranged between bearing and pedestal, makes pedestal keep stablizing, reduce people When rotating swivel chair, pedestal shakes the probability for causing to topple over；

2, by making bearing increase floor space supporting leg bending, swivel chair stability is further increased；

3, reinforce the structural strength of swivel chair by the way that ring stand and crotch is arranged, and then improve swivel chair service life；

4, the comfort level of swivel chair is improved by the way that arcuation arm-chair and cushion is arranged.

Description of the drawings

Fig. 1 is the general assembly drawing of the present embodiment；

Fig. 2 is the vertical view of the present embodiment；

Fig. 3 is the sectional view of the present embodiment；

Fig. 4 is the enlarged drawing of A in Fig. 3；

Fig. 5 is the enlarged drawing of B in Fig. 4.

In figure, 1, bearing；11, supporting leg；12, ring stand；13, link；2, pedestal；21, mounting；22, crotch；23, disc； 24, cushion；3, misplace bearing；4, arm-chair；41, chair frame；42, cushion；5, thrust bearing；6, bolt.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

The design principle of the utility model is：

Bearing 1 and pedestal 2 is avoided to rub with dislocation bearing 3 by the way that dislocation bearing 3 is arranged between bearing 1 and pedestal 2 It wipes, and then ensures the smoothness of swivel chair rotation, while thrust bearing 5 is arranged to reduce the shaking degree of pedestal 2, not only improve swivel chair Rotation smoothness be not easy to shake when also swivel chair being made to rotate, and then make swivel chair that there is stability in rotary course.

Embodiment：A kind of safety and stability swivel chair is put in conjunction with Fig. 1, Fig. 4, including bearing 1, pedestal 2, dislocation bearing 3, bearing 1 It sets on the ground, the outer ring of dislocation bearing 3 is connected in 1 upper surface of bearing, and 2 bottom face of pedestal is connected in the inner ring of dislocation bearing 3 On, bearing 1 includes supporting leg 11, ring stand 12, link 13, and supporting leg 11 is the steel pole of the vertical lower end bending in upper end, four supporting legs 11 It is distributed in a ring and bending end radially distributes, supporting leg 11 is bent and bending one end, which radially distributes, makes bearing 1 add Big floor space, and then the stability of swivel chair is improved, make swivel chair be not easy to topple over；Link 13 is cyclic annular steel pole, and link 13 is solid Four 11 upper ends of supporting leg are connected in, ring stand 12 is steel loop, and ring stand 12 is connected in 11 bending place of supporting leg, setting ring stand 12 and link 13 Make to be fixed between supporting leg 11, improve the bonding strength of bearing 1, while foot can be stepped down on ring stand 12 and be kept away when people is sitting on swivel chair Exempt from the discomfort that foot is vacantly brought, further increases swivel chair comfort level.

In conjunction with Fig. 1, Fig. 2, pedestal 2 includes mounting 21, crotch 22, disc 23, and mounting 21 is cyclic annular steel pole, by mounting 21 and Link 13, which is done, circlewise avoids wedge angle from scratching human body；Crotch 22 is crosswise steel pole, and 22 4 end of crotch is connected in mounting 21 It encloses on wall, disc 23 is square plate, and disc 23 is connected in 22 steel pole infall of crotch；13 inner circle end face of link is also fixed with Crotch 22,22 upper surface of crotch on link 13 are also fixed with disc 23；Crotch 22 is set on mounting 21 and link 13 The structural strength of mounting 21 and link 13 is improved, reduces mounting 21 and 13 deformation probability of link, while crotch 22 is cross Shape and bearing 1 and pedestal 2, which are steel pole, makes swivel chair have smaller quality, is convenient for the transport of swivel chair；In conjunction with Fig. 4, misplace bearing 3 It is connected between disc 23, increases the contact area between bearing 1 and pedestal 2 and dislocation bearing 3, and then improve bonding strength, Promote the service life of swivel chair.

In conjunction with Fig. 3, Fig. 4, dislocation 3 inner ring height of bearing is higher than outer ring height, and chuck 23 is made not connect with 3 outer ring of dislocation bearing Touch wiping, while bearing 1 contact friction with dislocation 3 inner ring of bearing, so guarantee misplace bearing 3 rotate it is smooth, in conjunction with Fig. 2, And dislocation bearing 3, which is placed on bearing 1 and 2 middle part of pedestal, makes dislocation bearing 3 that also there is supporting role, cooperation crotch 22 to avoid Swivel chair central region sinking causes accident；In conjunction with Fig. 5, thrust bearing 5, thrust are fixed between 21 circle end face of link 13 and mounting Bearing 5 is connected by bolt 6 with link 13 with mounting 21, not only makes bearing 1, pedestal 2 and thrust bearing using the connection of bolt 6 Between 5 have higher bonding strength, can also thrust bearing 5 failure after replacement easy to disassemble, kill two birds with one stone；Setting stops Thrust bearing 5 not only makes the rotation of pedestal 2 more smooth, and fills up the gap between link 13 and mounting 21, plays support base The effect of frame 21 makes mounting 21 not shake when rotated, ensures swivel chair steadily of centre of gravity when rotated, avoids the occurrence of because of center of gravity not Steady the problem of causing to topple over, while the bonding strength between bearing 1 and pedestal 2 is further increased, improve the service life of swivel chair.

In conjunction with Fig. 1, Fig. 2,21 upper surface of mounting is fixed with cushion 24, is filled with synthetic cotton in cushion 24, makes one to be sitting in seat More soft comfortable on pad 24；External arc end face is fixed with arm-chair 4, and arm-chair 4 includes chair frame 41, cushion 42, and chair frame 41 is transversal Face is the steel plate of arcuation, inside sets hollow out decorative pattern, promotes swivel chair aesthetics, while 41 length direction of chair frame is in 21 upper surface of mounting Obtuse angle is connected, and coordinates the chair frame 41 of arcuation to be bonded the back of people, meets ergonomics, makes one to be sitting in more comfortable on swivel chair； Cushion 42 is connected in 41 upper end of chair frame, and synthetic cotton is also filled in cushion 42, make one to lean against on arm-chair 4 also can soft feel, into One step improves comfort level.

Specific implementation process：When using swivel chair, first supporting leg 11 is placed on the ground, rotating base 2 is by 2 turns of pedestal later To the position of needs, descendant's foot step down at ring stand 12 and be sitting on cushion 24, while can also lean against on arm-chair 4, need to change position Only need pedal ring stand 12 that body is made to enable pedestal 2 rotate against the friction with cushion 24 and arm-chair 4 when setting, when rotating to suitable position When also only need foot to slam ring stand 12 to keep body fixed, it is very efficient and convenient.

Pedestal 2 is avoided to shake by the way that thrust bearing 5 is arranged between bearing 1 and pedestal 2 in conclusion the utility model has It is dynamic, make pedestal 2 keep stablizing, reduces people's pedestal 2 when rotating swivel chair and shake the probability for causing to topple over；By the way that supporting leg 11 is bent So that bearing 1 is increased floor space, further increases swivel chair stability；Reinforce the structure of swivel chair by the way that ring stand 12 and crotch 22 is arranged Intensity, and then improve swivel chair service life；The advantages of comfort level of swivel chair being improved by setting arcuation arm-chair 4 and cushion 24.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of safety and stability swivel chair, including bearing（1）, pedestal（2）, the pedestal（2）With bearing（1）Rotation connection, it is special Sign is：The pedestal（2）With bearing（1）Between middle part be connected and have dislocation bearing（3）, the dislocation bearing（3）The high outer ring of inner ring It is low, the pedestal（2）With bearing（1）Between outside be fixed with thrust bearing（5）.

2. a kind of safety and stability swivel chair according to claim 1, it is characterized in that：The bearing（1）Including supporting leg（11）, even Connect frame（13）, the supporting leg（11）To bend steel pole, several supporting legs（11）Bottom bends one end and radially distributes, described Link（13）It is connected in supporting leg（11）Top connection leg（11）.

3. a kind of safety and stability swivel chair according to claim 2, it is characterized in that：The supporting leg（11）Bending place is fixed with ring The ring stand of shape（12）.

4. a kind of safety and stability swivel chair according to claim 3, it is characterized in that：The pedestal（2）Including mounting（21）, disk Piece（23）, the mounting（21）For ring-type, the disc（23）It is connected in mounting（21）Middle part, the dislocation bearing（3）Inner ring It is connected in disc（23）On, the dislocation bearing（3）Outer ring is connected in ring stand（12）On.

5. a kind of safety and stability swivel chair according to claim 4, it is characterized in that：The mounting（21）Middle part is fixed with steel Crotch（22）, the disc（23）It is connected in crotch（22）Middle part.

6. a kind of safety and stability swivel chair according to claim 5, it is characterized in that：The mounting（21）It is solid on external arc end face It is connected with chair frame（41）, the chair frame（41）End face is arcuation and length direction and mounting（21）The angle of upper surface is in obtuse angle.

7. a kind of safety and stability swivel chair according to claim 6, it is characterized in that：The chair frame（41）Close to mounting（21）'s Cushion is fixed on end face（42）, the mounting（21）Upper surface is fixed with cushion（24）.

8. a kind of safety and stability swivel chair according to claim 7, it is characterized in that：The thrust bearing（5）Pass through bolt（6） With bearing（1）And pedestal（2）It is connected.